Fix aead auth setting key process error. if use soft shash function, driver
need to use digest size replace of the user input key length.
Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx>
---
drivers/crypto/hisilicon/sec2/sec_crypto.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index 87bc08a..891e049 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -857,7 +857,7 @@ static int sec_aead_auth_set_key(struct sec_auth_ctx *ctx,
struct crypto_authenc_keys *keys)
{
struct crypto_shash *hash_tfm = ctx->hash_tfm;
- int blocksize, ret;
+ int blocksize, digestsize, ret;
if (!keys->authkeylen) {
pr_err("hisi_sec2: aead auth key error!\n");
@@ -865,6 +865,7 @@ static int sec_aead_auth_set_key(struct sec_auth_ctx *ctx,
}
blocksize = crypto_shash_blocksize(hash_tfm);
+ digestsize = crypto_shash_digestsize(hash_tfm);
if (keys->authkeylen > blocksize) {
ret = crypto_shash_tfm_digest(hash_tfm, keys->authkey,
keys->authkeylen, ctx->a_key);
@@ -872,7 +873,7 @@ static int sec_aead_auth_set_key(struct sec_auth_ctx *ctx,
pr_err("hisi_sec2: aead auth digest error!\n");
return -EINVAL;
}
- ctx->a_key_len = blocksize;
+ ctx->a_key_len = digestsize;
} else {
memcpy(ctx->a_key, keys->authkey, keys->authkeylen);
ctx->a_key_len = keys->authkeylen;
--
2.8.1
